Nashville explosion: Huge blast rocks major US city - 'Glass and steel everywhere'   https://www.express.co.uk/news/world/1376728/nashville-explosion-police-latest-news-updates-tennessee   Fire crews were called to 166 2nd Avenue North at 6.45am local time. Phil Williams, a reporter with News Channel 5, tweeted: "Nashville police and fire setting up radiation monitors to assess situation in downtown area near explosion site. This is all precautionary at this point.